page_title: Coltivirus
section_title: Epidemiology and control
hierarchical_section_title: Coltivirus / Other characteristics / Epidemiology and control
caption_attribution_description: Locator Map of the Rocky Mountains of North America. Colours are based on the discussions at en:Wikipedia talk:WikiProject Maps. Map drawn in GIMP.
context_page_description: Coltivirus is a genus of viruses that infects vertebrates and invertebrates. It includes the causative agent of Colorado tick fever. Colorado tick fever virus can cause a fever, chills, headache, photophobia, myalgia, arthralgia, and lethargy. Children, in particular, may develop a hemorrhagic disease. Leukopenia with both lymphocytes and neutrophils is very common for Colorado tick fever virus. In either case, the infection can lead to encephalitis or meningitis.
context_section_description: The distribution of Colorado tick fever virus is in the Rocky Mountain area of the United States at elevations between four and ten thousand feet. Not surprisingly, Colorado tick fever virus can be found in places like California, Colorado, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming, British Columbia, and Alberta. This is roughly the same distribution as the tick that transmits the virus, shown in the adjacent picture.
  The virus circulates between ticks and rodents, with humans being the secondary hosts. People at risk for catching the disease are hikers and campers that are in the risk areas. Also, April, May, and June are when the infections mainly occur, because this is the time when the adult ticks are prevalent in the environment. Unfortunately, this is also when the weather is pleasant for hiking and camping. The best way to avoid getting bitten and catching this disease is wearing long sleeves or pants, avoiding high tick-infested areas, and wearing tick repellent.
caption: Brown shading represents the Rocky Mountain Range
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